<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
    div,h1,p,ul,table,form{
        background-color: orange;
        height: 50px;
    }
    span,label,b,strong{
        width: 200px;
        height: 200px;
        background-color: red;

    }
    img,input,button{
        width: 150px;
        height: 100px;
        vertical-align: top
    }
    </style>
</head>
<body>
    <div>div</div>
    <h1>一级标题</h1>
    <p>段落</p>    
    <ul>
        <li>列表项</li>
    </ul>
    <table>
        <tr>
            <td>table</td>
        </tr>
    </table>
    <form>
        <input type="text">
    </form>
    <span>span</span>
    <label>label</label>
    <b>加粗</b>
    <strong>strong</strong>
    <img src="../../day01/lala.jpg">
    <input type="button" name="" value="按钮">
    <button>点击</button>
</body>
</html>